.\"
.\" Copyright (c) 2005 Tim J. Robbins
.\" All rights reserved.
.\"
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.\" $FreeBSD$
.\"
.Dd July 21, 2005
.Dt RPMATCH 3
.Os
.Sh NAME
.Nm rpmatch
.Nd "determine whether the response to a question is affirmative or negative"
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In stdlib.h
.Ft int
.Fn rpmatch "const char *response"
.Sh DESCRIPTION
The
.Fn rpmatch
function determines whether the
.Fa response
argument is an affirmative or negative response to a question
according to the current locale.
.Sh RETURN VALUES
The
.Fn rpmatch
functions returns:
.Bl -tag -width indent
.It 1
The response is affirmative.
.It 0
The response is negative.
.It \&-1
The response is not recognized.
.El
.Sh SEE ALSO
.Xr nl_langinfo 3 ,
.Xr setlocale 3
.Sh HISTORY
The
.Fn rpmatch
function appeared in macOS 10.15.
